Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: HRFRCTBCDS1

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
959-301 7 Coventry CT 639C ONVOY, LLC - CT 920   2021-07-03   
959-310 2 Bristol CT 639C ONVOY, LLC - CT 920   2021-04-26   
959-310 3 Bristol CT 639C ONVOY, LLC - CT 920   2021-04-26   
959-310 4 Bristol CT 639C ONVOY, LLC - CT 920   2021-04-26   
959-310 5 Bristol CT 639C ONVOY, LLC - CT 920   2021-04-26   
959-335 A Norfolk CT 639C ONVOY, LLC - CT 920      
959-335 0 Norfolk CT 639C ONVOY, LLC - CT 920   2017-06-09   
959-335 1 Norfolk CT 639C ONVOY, LLC - CT 920   2019-03-29   
959-335 4 Norfolk CT 639C ONVOY, LLC - CT 920   2021-03-04   
959-335 5 Norfolk CT 639C ONVOY, LLC - CT 920   2018-10-30   
959-335 6 Norfolk CT 639C ONVOY, LLC - CT 920   2018-10-30   
959-335 9 Norfolk CT 639C ONVOY, LLC - CT 920   2018-02-12   
959-345 1 Danielson CT 639C ONVOY, LLC - CT 920   2021-06-03   
959-345 2 Danielson CT 639C ONVOY, LLC - CT 920   2021-06-03   
959-345 3 Danielson CT 639C ONVOY, LLC - CT 920   2020-11-22   
959-345 5 Danielson CT 639C ONVOY, LLC - CT 920   2020-11-22   
959-345 7 Danielson CT 639C ONVOY, LLC - CT 920   2021-06-03   
959-345 8 Danielson CT 639C ONVOY, LLC - CT 920   2021-04-26   
959-345 9 Danielson CT 639C ONVOY, LLC - CT 920   2021-04-26   
959-356 2 Haddam CT 639C ONVOY, LLC - CT 920   2021-03-04   
959-356 3 Haddam CT 639C ONVOY, LLC - CT 920   2021-03-04   
959-400 A Lakeville CT 639C ONVOY, LLC - CT 920      
959-400 0 Lakeville CT 639C ONVOY, LLC - CT 920   2019-09-13   
959-400 4 Lakeville CT 639C ONVOY, LLC - CT 920   2019-09-13   
959-400 5 Lakeville CT 639C ONVOY, LLC - CT 920   2020-11-22   
959-400 6 Lakeville CT 639C ONVOY, LLC - CT 920   2020-11-22   
959-400 8 Lakeville CT 639C ONVOY, LLC - CT 920   2020-08-20   
959-400 9 Lakeville CT 639C ONVOY, LLC - CT 920   2020-08-20   
959-410 1 Colchester CT 639C ONVOY, LLC - CT 920   2021-06-03   
959-410 2 Colchester CT 639C ONVOY, LLC - CT 920   2021-06-03   
959-410 7 Colchester CT 639C ONVOY, LLC - CT 920   2024-03-08   
959-410 8 Colchester CT 639C ONVOY, LLC - CT 920   2021-04-26   
959-410 9 Colchester CT 639C ONVOY, LLC - CT 920   2021-04-26   
959-426 2 Coventry CT 639C ONVOY, LLC - CT 920   2023-10-14   
959-426 6 Coventry CT 639C ONVOY, LLC - CT 920   2023-10-14   
959-426 7 Coventry CT 639C ONVOY, LLC - CT 920   2023-10-14   
959-426 8 Coventry CT 639C ONVOY, LLC - CT 920   2023-10-14   
959-426 9 Coventry CT 639C ONVOY, LLC - CT 920   2023-10-14   
959-456 5 Canterbury CT 639C ONVOY, LLC - CT 920   2020-11-22   
959-456 6 Canterbury CT 639C ONVOY, LLC - CT 920   2020-11-22   
959-456 8 Canterbury CT 639C ONVOY, LLC - CT 920   2019-08-09   
959-456 9 Canterbury CT 639C ONVOY, LLC - CT 920   2019-08-09   
959-465 6 Watertown CT 639C ONVOY, LLC - CT 920   2021-11-01   
959-465 7 Watertown CT 639C ONVOY, LLC - CT 920   2021-11-01   
959-466 0 Washington CT 639C ONVOY, LLC - CT 920   2023-07-31   
959-466 1 Washington CT 639C ONVOY, LLC - CT 920   2023-10-14   
959-466 2 Washington CT 639C ONVOY, LLC - CT 920   2023-10-14   
959-466 4 Washington CT 639C ONVOY, LLC - CT 920   2022-03-17   
959-500 A Ledyard CT 639C ONVOY, LLC - CT 920      
959-500 0 Ledyard CT 639C ONVOY, LLC - CT 920   2019-09-13   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 >>

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.